title: Ultrasonic diagnosis of nuchal encirclement by the umbilical cord: a case and methodological report.
mesh_terms: D000328:Adult; D036861:Delivery, Obstetric; D005260:Female; D005312:Fetal Blood; D006801:Humans; D007744:Obstetric Labor Complications / Q000175:diagnosis*; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D014463:Ultrasonography; D014470:Umbilical Cord